| Description | /1/1. 1 x ts. letter, 3 August 1968, from Roger J. Segalat, Paris, to Roland Penrose, 1p.
/1/2. 1 x ts. letter, 20 August 1968, reply from Roland Penrose, to Roger J. Segalat, Paris, 1p.
/1/3. 1 x ts. letter with ms. addition by Roland Penrose, 4 September 1968, from Roger-Jean Segalat, Paris, to Roland Penrose, 1p.
/1/4. 1 x ts. letter, 6 September 1968, reply from Roland Penrose, to Roger-Jean Segalat, Paris, 1p. |